ἰθυφάνεια
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
English (LSJ)
[φᾰ], ἡ,
A direct incidence of light, κατ' ἰθυφάνειαν Damian.Opt.12:—Adj. ἰθυ-φᾰνής, ές, in phrase κατ' ἰθυφανές,= κατ' ἰθυφάνειαν, ibid.